How old are US power plants???

The current fleet of electric power generators has a wide range of ages. About 530 gigawatts, or 51% of all generating capacity,  were at least 30 years old at the end of 2010.

  • 24 out of the Nation’s 25 oldest operating power facilities are hydropower facilities that were built over 60 years ago.
  • Since 2006, 36% of total electric power industry capacity  additions have been wind generators.

This information is excerpted from an article on the website of the Us Energy Information Administration.  The entire article can be found at


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